mirror of
https://github.com/denoland/deno.git
synced 2024-12-28 10:09:20 -05:00
1878 lines
60 KiB
Rust
1878 lines
60 KiB
Rust
// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
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use crate::ast::parse;
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use crate::ast::transpile_module;
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use crate::ast::BundleHook;
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use crate::ast::EmitOptions;
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use crate::ast::Location;
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use crate::ast::ParsedModule;
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use crate::colors;
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use crate::diagnostics::Diagnostics;
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use crate::import_map::ImportMap;
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use crate::info::ModuleGraphInfo;
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use crate::info::ModuleInfo;
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use crate::info::ModuleInfoMap;
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use crate::info::ModuleInfoMapItem;
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use crate::js;
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use crate::lockfile::Lockfile;
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use crate::media_type::MediaType;
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use crate::specifier_handler::CachedModule;
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use crate::specifier_handler::Dependency;
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use crate::specifier_handler::DependencyMap;
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use crate::specifier_handler::Emit;
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use crate::specifier_handler::FetchFuture;
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use crate::specifier_handler::SpecifierHandler;
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use crate::tsc2::exec;
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use crate::tsc2::Request;
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use crate::tsc_config::IgnoredCompilerOptions;
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use crate::tsc_config::TsConfig;
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use crate::version;
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use crate::AnyError;
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use deno_core::error::Context;
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use deno_core::futures::stream::FuturesUnordered;
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use deno_core::futures::stream::StreamExt;
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use deno_core::serde::Serialize;
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use deno_core::serde::Serializer;
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use deno_core::serde_json::json;
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use deno_core::ModuleResolutionError;
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use deno_core::ModuleSpecifier;
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use regex::Regex;
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use serde::Deserialize;
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use serde::Deserializer;
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use std::cell::RefCell;
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use std::collections::HashMap;
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use std::collections::HashSet;
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use std::error::Error;
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use std::fmt;
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use std::path::PathBuf;
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use std::rc::Rc;
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use std::result;
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use std::sync::Arc;
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use std::sync::Mutex;
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use std::time::Instant;
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lazy_static! {
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/// Matched the `@deno-types` pragma.
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static ref DENO_TYPES_RE: Regex =
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Regex::new(r#"(?i)^\s*@deno-types\s*=\s*(?:["']([^"']+)["']|(\S+))"#)
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.unwrap();
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/// Matches a `/// <reference ... />` comment reference.
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static ref TRIPLE_SLASH_REFERENCE_RE: Regex =
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Regex::new(r"(?i)^/\s*<reference\s.*?/>").unwrap();
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/// Matches a path reference, which adds a dependency to a module
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static ref PATH_REFERENCE_RE: Regex =
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Regex::new(r#"(?i)\spath\s*=\s*["']([^"']*)["']"#).unwrap();
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/// Matches a types reference, which for JavaScript files indicates the
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/// location of types to use when type checking a program that includes it as
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/// a dependency.
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static ref TYPES_REFERENCE_RE: Regex =
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Regex::new(r#"(?i)\stypes\s*=\s*["']([^"']*)["']"#).unwrap();
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}
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/// A group of errors that represent errors that can occur when interacting with
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/// a module graph.
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#[derive(Debug, Clone, Eq, PartialEq)]
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pub enum GraphError {
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/// A module using the HTTPS protocol is trying to import a module with an
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/// HTTP schema.
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InvalidDowngrade(ModuleSpecifier, Location),
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/// A remote module is trying to import a local module.
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InvalidLocalImport(ModuleSpecifier, Location),
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/// The source code is invalid, as it does not match the expected hash in the
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/// lockfile.
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InvalidSource(ModuleSpecifier, PathBuf),
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/// An unexpected dependency was requested for a module.
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MissingDependency(ModuleSpecifier, String),
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/// An unexpected specifier was requested.
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MissingSpecifier(ModuleSpecifier),
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/// The current feature is not supported.
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NotSupported(String),
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/// A unsupported media type was attempted to be imported as a module.
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UnsupportedImportType(ModuleSpecifier, MediaType),
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}
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impl fmt::Display for GraphError {
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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match self {
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GraphError::InvalidDowngrade(ref specifier, ref location) => write!(f, "Modules imported via https are not allowed to import http modules.\n Importing: {}\n at {}", specifier, location),
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GraphError::InvalidLocalImport(ref specifier, ref location) => write!(f, "Remote modules are not allowed to import local modules. Consider using a dynamic import instead.\n Importing: {}\n at {}", specifier, location),
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GraphError::InvalidSource(ref specifier, ref lockfile) => write!(f, "The source code is invalid, as it does not match the expected hash in the lock file.\n Specifier: {}\n Lock file: {}", specifier, lockfile.to_str().unwrap()),
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GraphError::MissingDependency(ref referrer, specifier) => write!(
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f,
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"The graph is missing a dependency.\n Specifier: {} from {}",
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specifier, referrer
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),
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GraphError::MissingSpecifier(ref specifier) => write!(
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f,
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"The graph is missing a specifier.\n Specifier: {}",
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specifier
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),
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GraphError::NotSupported(ref msg) => write!(f, "{}", msg),
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GraphError::UnsupportedImportType(ref specifier, ref media_type) => write!(f, "An unsupported media type was attempted to be imported as a module.\n Specifier: {}\n MediaType: {}", specifier, media_type),
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}
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}
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}
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impl Error for GraphError {}
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/// A structure for handling bundle loading, which is implemented here, to
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/// avoid a circular dependency with `ast`.
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struct BundleLoader<'a> {
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cm: Rc<swc_common::SourceMap>,
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graph: &'a Graph2,
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emit_options: &'a EmitOptions,
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}
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impl<'a> BundleLoader<'a> {
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pub fn new(
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graph: &'a Graph2,
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emit_options: &'a EmitOptions,
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cm: Rc<swc_common::SourceMap>,
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) -> Self {
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BundleLoader {
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cm,
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graph,
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emit_options,
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}
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}
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}
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impl swc_bundler::Load for BundleLoader<'_> {
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fn load(
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&self,
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file: &swc_common::FileName,
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) -> Result<(Rc<swc_common::SourceFile>, swc_ecmascript::ast::Module), AnyError>
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{
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match file {
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swc_common::FileName::Custom(filename) => {
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let specifier = ModuleSpecifier::resolve_url_or_path(filename)
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.context("Failed to convert swc FileName to ModuleSpecifier.")?;
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if let Some(src) = self.graph.get_source(&specifier) {
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let media_type = self
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.graph
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.get_media_type(&specifier)
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.context("Looking up media type during bundling.")?;
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transpile_module(
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filename,
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&src,
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&media_type,
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self.emit_options,
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self.cm.clone(),
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)
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} else {
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Err(
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GraphError::MissingDependency(specifier, "<bundle>".to_string())
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.into(),
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)
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}
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}
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_ => unreachable!("Received request for unsupported filename {:?}", file),
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}
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}
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}
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/// An enum which represents the parsed out values of references in source code.
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#[derive(Debug, Clone, Eq, PartialEq)]
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enum TypeScriptReference {
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Path(String),
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Types(String),
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}
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/// Determine if a comment contains a triple slash reference and optionally
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/// return its kind and value.
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fn parse_ts_reference(comment: &str) -> Option<TypeScriptReference> {
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if !TRIPLE_SLASH_REFERENCE_RE.is_match(comment) {
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None
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} else if let Some(captures) = PATH_REFERENCE_RE.captures(comment) {
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Some(TypeScriptReference::Path(
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captures.get(1).unwrap().as_str().to_string(),
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))
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} else if let Some(captures) = TYPES_REFERENCE_RE.captures(comment) {
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Some(TypeScriptReference::Types(
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captures.get(1).unwrap().as_str().to_string(),
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))
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} else {
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None
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}
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}
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/// Determine if a comment contains a `@deno-types` pragma and optionally return
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/// its value.
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fn parse_deno_types(comment: &str) -> Option<String> {
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if let Some(captures) = DENO_TYPES_RE.captures(comment) {
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if let Some(m) = captures.get(1) {
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Some(m.as_str().to_string())
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} else if let Some(m) = captures.get(2) {
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Some(m.as_str().to_string())
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} else {
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panic!("unreachable");
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}
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} else {
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None
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}
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}
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/// A hashing function that takes the source code, version and optionally a
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/// user provided config and generates a string hash which can be stored to
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/// determine if the cached emit is valid or not.
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fn get_version(source: &str, version: &str, config: &[u8]) -> String {
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crate::checksum::gen(&[source.as_bytes(), version.as_bytes(), config])
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}
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/// A logical representation of a module within a graph.
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#[derive(Debug, Clone)]
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struct Module {
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dependencies: DependencyMap,
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is_dirty: bool,
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is_parsed: bool,
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maybe_emit: Option<Emit>,
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maybe_emit_path: Option<(PathBuf, Option<PathBuf>)>,
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maybe_import_map: Option<Rc<RefCell<ImportMap>>>,
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maybe_parsed_module: Option<ParsedModule>,
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maybe_types: Option<(String, ModuleSpecifier)>,
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maybe_version: Option<String>,
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media_type: MediaType,
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specifier: ModuleSpecifier,
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source: String,
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source_path: PathBuf,
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}
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impl Default for Module {
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fn default() -> Self {
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Module {
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dependencies: HashMap::new(),
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is_dirty: false,
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is_parsed: false,
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maybe_emit: None,
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maybe_emit_path: None,
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maybe_import_map: None,
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maybe_parsed_module: None,
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maybe_types: None,
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maybe_version: None,
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media_type: MediaType::Unknown,
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specifier: ModuleSpecifier::resolve_url("file:///example.js").unwrap(),
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source: "".to_string(),
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source_path: PathBuf::new(),
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}
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}
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}
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impl Module {
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pub fn new(
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cached_module: CachedModule,
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is_root: bool,
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maybe_import_map: Option<Rc<RefCell<ImportMap>>>,
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) -> Self {
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// If this is a local root file, and its media type is unknown, set the
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// media type to JavaScript. This allows easier ability to create "shell"
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// scripts with Deno.
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let media_type = if is_root
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&& !cached_module.is_remote
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&& cached_module.media_type == MediaType::Unknown
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{
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MediaType::JavaScript
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} else {
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cached_module.media_type
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};
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let mut module = Module {
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specifier: cached_module.specifier,
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maybe_import_map,
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media_type,
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source: cached_module.source,
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source_path: cached_module.source_path,
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maybe_emit: cached_module.maybe_emit,
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maybe_emit_path: cached_module.maybe_emit_path,
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maybe_version: cached_module.maybe_version,
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is_dirty: false,
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..Self::default()
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};
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if module.maybe_import_map.is_none() {
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if let Some(dependencies) = cached_module.maybe_dependencies {
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module.dependencies = dependencies;
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module.is_parsed = true;
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}
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}
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module.maybe_types = if let Some(ref specifier) = cached_module.maybe_types
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{
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Some((
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specifier.clone(),
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module
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.resolve_import(&specifier, None)
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.expect("could not resolve module"),
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))
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} else {
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None
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};
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module
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}
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/// Return `true` if the current hash of the module matches the stored
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/// version.
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pub fn is_emit_valid(&self, config: &[u8]) -> bool {
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if let Some(version) = self.maybe_version.clone() {
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version == get_version(&self.source, version::DENO, config)
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} else {
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false
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}
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}
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/// Parse a module, populating the structure with data retrieved from the
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/// source of the module.
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pub fn parse(&mut self) -> Result<(), AnyError> {
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let parsed_module =
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parse(self.specifier.as_str(), &self.source, &self.media_type)?;
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// parse out any triple slash references
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for comment in parsed_module.get_leading_comments().iter() {
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if let Some(ts_reference) = parse_ts_reference(&comment.text) {
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let location = parsed_module.get_location(&comment.span);
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match ts_reference {
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TypeScriptReference::Path(import) => {
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let specifier =
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self.resolve_import(&import, Some(location.clone()))?;
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let dep = self
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.dependencies
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.entry(import)
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.or_insert_with(|| Dependency::new(location));
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dep.maybe_code = Some(specifier);
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}
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TypeScriptReference::Types(import) => {
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let specifier =
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self.resolve_import(&import, Some(location.clone()))?;
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if self.media_type == MediaType::JavaScript
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|| self.media_type == MediaType::JSX
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{
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// TODO(kitsonk) we need to specifically update the cache when
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// this value changes
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self.maybe_types = Some((import.clone(), specifier));
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} else {
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let dep = self
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.dependencies
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.entry(import)
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.or_insert_with(|| Dependency::new(location));
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dep.maybe_type = Some(specifier);
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}
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}
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}
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}
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}
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// Parse out all the syntactical dependencies for a module
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let dependencies = parsed_module.analyze_dependencies();
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for desc in dependencies.iter().filter(|desc| {
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desc.kind != swc_ecmascript::dep_graph::DependencyKind::Require
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}) {
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let location = Location {
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filename: self.specifier.to_string(),
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col: desc.col,
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line: desc.line,
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};
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// In situations where there is a potential issue with resolving the
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// import specifier, that ends up being a module resolution error for a
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// code dependency, we should not throw in the `ModuleGraph` but instead
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// wait until runtime and throw there, as with dynamic imports they need
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// to be catchable, which means they need to be resolved at runtime.
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let maybe_specifier =
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match self.resolve_import(&desc.specifier, Some(location.clone())) {
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Ok(specifier) => Some(specifier),
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Err(any_error) => {
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match any_error.downcast_ref::<ModuleResolutionError>() {
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Some(ModuleResolutionError::ImportPrefixMissing(_, _)) => None,
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_ => {
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return Err(any_error);
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}
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}
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}
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};
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// Parse out any `@deno-types` pragmas and modify dependency
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let maybe_type = if !desc.leading_comments.is_empty() {
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let comment = desc.leading_comments.last().unwrap();
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if let Some(deno_types) = parse_deno_types(&comment.text).as_ref() {
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Some(self.resolve_import(deno_types, Some(location.clone()))?)
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} else {
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None
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}
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} else {
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None
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};
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let dep = self
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.dependencies
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.entry(desc.specifier.to_string())
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.or_insert_with(|| Dependency::new(location));
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dep.is_dynamic = desc.is_dynamic;
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if let Some(specifier) = maybe_specifier {
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if desc.kind == swc_ecmascript::dep_graph::DependencyKind::ExportType
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|| desc.kind == swc_ecmascript::dep_graph::DependencyKind::ImportType
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{
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dep.maybe_type = Some(specifier);
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} else {
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dep.maybe_code = Some(specifier);
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}
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}
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// If the dependency wasn't a type only dependency already, and there is
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// a `@deno-types` comment, then we will set the `maybe_type` dependency.
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if maybe_type.is_some() && dep.maybe_type.is_none() {
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dep.maybe_type = maybe_type;
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}
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}
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self.maybe_parsed_module = Some(parsed_module);
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Ok(())
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}
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fn resolve_import(
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&self,
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specifier: &str,
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maybe_location: Option<Location>,
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) -> Result<ModuleSpecifier, AnyError> {
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let maybe_resolve = if let Some(import_map) = self.maybe_import_map.clone()
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{
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import_map
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.borrow()
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.resolve(specifier, self.specifier.as_str())?
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} else {
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None
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};
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let specifier = if let Some(module_specifier) = maybe_resolve {
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module_specifier
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} else {
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ModuleSpecifier::resolve_import(specifier, self.specifier.as_str())?
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};
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let referrer_scheme = self.specifier.as_url().scheme();
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let specifier_scheme = specifier.as_url().scheme();
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let location = maybe_location.unwrap_or(Location {
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filename: self.specifier.to_string(),
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line: 0,
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col: 0,
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});
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|
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// Disallow downgrades from HTTPS to HTTP
|
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if referrer_scheme == "https" && specifier_scheme == "http" {
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return Err(
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GraphError::InvalidDowngrade(specifier.clone(), location).into(),
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);
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}
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|
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// Disallow a remote URL from trying to import a local URL
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if (referrer_scheme == "https" || referrer_scheme == "http")
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&& !(specifier_scheme == "https" || specifier_scheme == "http")
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{
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return Err(
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GraphError::InvalidLocalImport(specifier.clone(), location).into(),
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);
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}
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Ok(specifier)
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}
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|
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/// Calculate the hashed version of the module and update the `maybe_version`.
|
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pub fn set_version(&mut self, config: &[u8]) {
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self.maybe_version = Some(get_version(&self.source, version::DENO, config))
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}
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|
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pub fn size(&self) -> usize {
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self.source.as_bytes().len()
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}
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}
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#[derive(Clone, Debug, Eq, PartialEq)]
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pub struct Stats(pub Vec<(String, u128)>);
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|
|
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impl<'de> Deserialize<'de> for Stats {
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fn deserialize<D>(deserializer: D) -> result::Result<Self, D::Error>
|
|
where
|
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D: Deserializer<'de>,
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{
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let items: Vec<(String, u128)> = Deserialize::deserialize(deserializer)?;
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Ok(Stats(items))
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}
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}
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|
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impl fmt::Display for Stats {
|
|
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
|
|
writeln!(f, "Compilation statistics:")?;
|
|
for (key, value) in self.0.clone() {
|
|
writeln!(f, " {}: {}", key, value)?;
|
|
}
|
|
|
|
Ok(())
|
|
}
|
|
}
|
|
|
|
#[derive(Debug, Clone, Eq, PartialEq)]
|
|
pub enum TypeLib {
|
|
DenoWindow,
|
|
DenoWorker,
|
|
UnstableDenoWindow,
|
|
UnstableDenoWorker,
|
|
}
|
|
|
|
impl Default for TypeLib {
|
|
fn default() -> Self {
|
|
TypeLib::DenoWindow
|
|
}
|
|
}
|
|
|
|
impl Serialize for TypeLib {
|
|
fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
|
|
where
|
|
S: Serializer,
|
|
{
|
|
let value = match self {
|
|
TypeLib::DenoWindow => vec!["deno.window".to_string()],
|
|
TypeLib::DenoWorker => vec!["deno.worker".to_string()],
|
|
TypeLib::UnstableDenoWindow => {
|
|
vec!["deno.window".to_string(), "deno.unstable".to_string()]
|
|
}
|
|
TypeLib::UnstableDenoWorker => {
|
|
vec!["deno.worker".to_string(), "deno.worker".to_string()]
|
|
}
|
|
};
|
|
Serialize::serialize(&value, serializer)
|
|
}
|
|
}
|
|
|
|
#[derive(Debug, Default)]
|
|
pub struct BundleOptions {
|
|
pub debug: bool,
|
|
pub maybe_config_path: Option<String>,
|
|
}
|
|
|
|
#[derive(Debug, Default)]
|
|
pub struct CheckOptions {
|
|
/// If `true` then debug logging will be output from the isolate.
|
|
pub debug: bool,
|
|
/// Utilise the emit from `tsc` to update the emitted code for modules.
|
|
pub emit: bool,
|
|
/// The base type libraries that should be used when type checking.
|
|
pub lib: TypeLib,
|
|
/// An optional string that points to a user supplied TypeScript configuration
|
|
/// file that augments the the default configuration passed to the TypeScript
|
|
/// compiler.
|
|
pub maybe_config_path: Option<String>,
|
|
/// Ignore any previously emits and ensure that all files are emitted from
|
|
/// source.
|
|
pub reload: bool,
|
|
}
|
|
|
|
/// A structure which provides options when transpiling modules.
|
|
#[derive(Debug, Default)]
|
|
pub struct TranspileOptions {
|
|
/// If `true` then debug logging will be output from the isolate.
|
|
pub debug: bool,
|
|
/// An optional string that points to a user supplied TypeScript configuration
|
|
/// file that augments the the default configuration passed to the TypeScript
|
|
/// compiler.
|
|
pub maybe_config_path: Option<String>,
|
|
/// Ignore any previously emits and ensure that all files are emitted from
|
|
/// source.
|
|
pub reload: bool,
|
|
}
|
|
|
|
/// A dependency graph of modules, were the modules that have been inserted via
|
|
/// the builder will be loaded into the graph. Also provides an interface to
|
|
/// be able to manipulate and handle the graph.
|
|
#[derive(Debug, Clone)]
|
|
pub struct Graph2 {
|
|
/// A reference to the specifier handler that will retrieve and cache modules
|
|
/// for the graph.
|
|
handler: Rc<RefCell<dyn SpecifierHandler>>,
|
|
/// Optional TypeScript build info that will be passed to `tsc` if `tsc` is
|
|
/// invoked.
|
|
maybe_tsbuildinfo: Option<String>,
|
|
/// The modules that are part of the graph.
|
|
modules: HashMap<ModuleSpecifier, Module>,
|
|
/// A map of redirects, where a module specifier is redirected to another
|
|
/// module specifier by the handler. All modules references should be
|
|
/// resolved internally via this, before attempting to access the module via
|
|
/// the handler, to make sure the correct modules is being dealt with.
|
|
redirects: HashMap<ModuleSpecifier, ModuleSpecifier>,
|
|
/// The module specifiers that have been uniquely added to the graph, which
|
|
/// does not include any transient dependencies.
|
|
roots: Vec<ModuleSpecifier>,
|
|
/// If all of the root modules are dynamically imported, then this is true.
|
|
/// This is used to ensure correct `--reload` behavior, where subsequent
|
|
/// calls to a module graph where the emit is already valid do not cause the
|
|
/// graph to re-emit.
|
|
roots_dynamic: bool,
|
|
// A reference to lock file that will be used to check module integrity.
|
|
maybe_lockfile: Option<Arc<Mutex<Lockfile>>>,
|
|
}
|
|
|
|
impl Graph2 {
|
|
/// Create a new instance of a graph, ready to have modules loaded it.
|
|
///
|
|
/// The argument `handler` is an instance of a structure that implements the
|
|
/// `SpecifierHandler` trait.
|
|
///
|
|
pub fn new(
|
|
handler: Rc<RefCell<dyn SpecifierHandler>>,
|
|
maybe_lockfile: Option<Arc<Mutex<Lockfile>>>,
|
|
) -> Self {
|
|
Graph2 {
|
|
handler,
|
|
maybe_tsbuildinfo: None,
|
|
modules: HashMap::new(),
|
|
redirects: HashMap::new(),
|
|
roots: Vec::new(),
|
|
roots_dynamic: true,
|
|
maybe_lockfile,
|
|
}
|
|
}
|
|
|
|
/// Transform the module graph into a single JavaScript module which is
|
|
/// returned as a `String` in the result.
|
|
pub fn bundle(
|
|
&self,
|
|
options: BundleOptions,
|
|
) -> Result<(String, Stats, Option<IgnoredCompilerOptions>), AnyError> {
|
|
if self.roots.is_empty() || self.roots.len() > 1 {
|
|
return Err(GraphError::NotSupported(format!("Bundling is only supported when there is a single root module in the graph. Found: {}", self.roots.len())).into());
|
|
}
|
|
|
|
let start = Instant::now();
|
|
let root_specifier = self.roots[0].clone();
|
|
let mut ts_config = TsConfig::new(json!({
|
|
"checkJs": false,
|
|
"emitDecoratorMetadata": false,
|
|
"inlineSourceMap": true,
|
|
"jsx": "react",
|
|
"jsxFactory": "React.createElement",
|
|
"jsxFragmentFactory": "React.Fragment",
|
|
}));
|
|
let maybe_ignored_options =
|
|
ts_config.merge_tsconfig(options.maybe_config_path)?;
|
|
let emit_options: EmitOptions = ts_config.into();
|
|
let cm = Rc::new(swc_common::SourceMap::new(
|
|
swc_common::FilePathMapping::empty(),
|
|
));
|
|
let loader = BundleLoader::new(self, &emit_options, cm.clone());
|
|
let hook = Box::new(BundleHook);
|
|
let globals = swc_common::Globals::new();
|
|
let bundler = swc_bundler::Bundler::new(
|
|
&globals,
|
|
cm.clone(),
|
|
loader,
|
|
self,
|
|
swc_bundler::Config::default(),
|
|
hook,
|
|
);
|
|
let mut entries = HashMap::new();
|
|
entries.insert(
|
|
"bundle".to_string(),
|
|
swc_common::FileName::Custom(root_specifier.to_string()),
|
|
);
|
|
let output = bundler
|
|
.bundle(entries)
|
|
.context("Unable to output bundle during Graph2::bundle().")?;
|
|
let mut buf = Vec::new();
|
|
{
|
|
let mut emitter = swc_ecmascript::codegen::Emitter {
|
|
cfg: swc_ecmascript::codegen::Config { minify: false },
|
|
cm: cm.clone(),
|
|
comments: None,
|
|
wr: Box::new(swc_ecmascript::codegen::text_writer::JsWriter::new(
|
|
cm, "\n", &mut buf, None,
|
|
)),
|
|
};
|
|
|
|
emitter
|
|
.emit_module(&output[0].module)
|
|
.context("Unable to emit bundle during Graph2::bundle().")?;
|
|
}
|
|
|
|
let s = String::from_utf8(buf)
|
|
.context("Emitted bundle is an invalid utf-8 string.")?;
|
|
let stats = Stats(vec![
|
|
("Files".to_string(), self.modules.len() as u128),
|
|
("Total time".to_string(), start.elapsed().as_millis()),
|
|
]);
|
|
|
|
Ok((s, stats, maybe_ignored_options))
|
|
}
|
|
|
|
/// Type check the module graph, corresponding to the options provided.
|
|
pub fn check(
|
|
self,
|
|
options: CheckOptions,
|
|
) -> Result<(Stats, Diagnostics, Option<IgnoredCompilerOptions>), AnyError>
|
|
{
|
|
let mut config = TsConfig::new(json!({
|
|
"allowJs": true,
|
|
// TODO(@kitsonk) is this really needed?
|
|
"esModuleInterop": true,
|
|
// Enabled by default to align to transpile/swc defaults
|
|
"experimentalDecorators": true,
|
|
"incremental": true,
|
|
"isolatedModules": true,
|
|
"lib": options.lib,
|
|
"module": "esnext",
|
|
"strict": true,
|
|
"target": "esnext",
|
|
"tsBuildInfoFile": "deno:///.tsbuildinfo",
|
|
}));
|
|
if options.emit {
|
|
config.merge(&json!({
|
|
// TODO(@kitsonk) consider enabling this by default
|
|
// see: https://github.com/denoland/deno/issues/7732
|
|
"emitDecoratorMetadata": false,
|
|
"jsx": "react",
|
|
"inlineSourceMap": true,
|
|
"outDir": "deno://",
|
|
"removeComments": true,
|
|
}));
|
|
} else {
|
|
config.merge(&json!({
|
|
"noEmit": true,
|
|
}));
|
|
}
|
|
let maybe_ignored_options =
|
|
config.merge_tsconfig(options.maybe_config_path)?;
|
|
|
|
// Short circuit if none of the modules require an emit, or all of the
|
|
// modules that require an emit have a valid emit. There is also an edge
|
|
// case where there are multiple imports of a dynamic module during a
|
|
// single invocation, if that is the case, even if there is a reload, we
|
|
// will simply look at if the emit is invalid, to avoid two checks for the
|
|
// same programme.
|
|
if !self.needs_emit(&config)
|
|
|| (self.is_emit_valid(&config)
|
|
&& (!options.reload || self.roots_dynamic))
|
|
{
|
|
debug!("graph does not need to be checked or emitted.");
|
|
return Ok((
|
|
Stats(Vec::new()),
|
|
Diagnostics(Vec::new()),
|
|
maybe_ignored_options,
|
|
));
|
|
}
|
|
|
|
// TODO(@kitsonk) not totally happy with this here, but this is the first
|
|
// point where we know we are actually going to check the program. If we
|
|
// moved it out of here, we wouldn't know until after the check has already
|
|
// happened, which isn't informative to the users.
|
|
for specifier in &self.roots {
|
|
info!("{} {}", colors::green("Check"), specifier);
|
|
}
|
|
|
|
let root_names: Vec<(ModuleSpecifier, MediaType)> = self
|
|
.roots
|
|
.iter()
|
|
.map(|ms| (ms.clone(), self.get_media_type(ms).unwrap()))
|
|
.collect();
|
|
let maybe_tsbuildinfo = self.maybe_tsbuildinfo.clone();
|
|
let hash_data =
|
|
vec![config.as_bytes(), version::DENO.as_bytes().to_owned()];
|
|
let graph = Rc::new(RefCell::new(self));
|
|
|
|
let response = exec(
|
|
js::compiler_isolate_init(),
|
|
Request {
|
|
config: config.clone(),
|
|
debug: options.debug,
|
|
graph: graph.clone(),
|
|
hash_data,
|
|
maybe_tsbuildinfo,
|
|
root_names,
|
|
},
|
|
)?;
|
|
|
|
let mut graph = graph.borrow_mut();
|
|
graph.maybe_tsbuildinfo = response.maybe_tsbuildinfo;
|
|
// Only process changes to the graph if there are no diagnostics and there
|
|
// were files emitted.
|
|
if response.diagnostics.0.is_empty() && !response.emitted_files.is_empty() {
|
|
let mut codes = HashMap::new();
|
|
let mut maps = HashMap::new();
|
|
let check_js = config.get_check_js();
|
|
for emit in &response.emitted_files {
|
|
if let Some(specifiers) = &emit.maybe_specifiers {
|
|
assert!(specifiers.len() == 1, "Unexpected specifier length");
|
|
let specifier = specifiers[0].clone();
|
|
// Sometimes if tsc sees a CommonJS file it will _helpfully_ output it
|
|
// to ESM, which we don't really want unless someone has enabled the
|
|
// check_js option.
|
|
if !check_js
|
|
&& graph.get_media_type(&specifier) == Some(MediaType::JavaScript)
|
|
{
|
|
debug!("skipping emit for {}", specifier);
|
|
continue;
|
|
}
|
|
match emit.media_type {
|
|
MediaType::JavaScript => {
|
|
codes.insert(specifier, emit.data.clone());
|
|
}
|
|
MediaType::SourceMap => {
|
|
maps.insert(specifier, emit.data.clone());
|
|
}
|
|
_ => unreachable!(),
|
|
}
|
|
}
|
|
}
|
|
let config = config.as_bytes();
|
|
for (specifier, code) in codes.iter() {
|
|
if let Some(module) = graph.get_module_mut(specifier) {
|
|
module.maybe_emit =
|
|
Some(Emit::Cli((code.clone(), maps.get(specifier).cloned())));
|
|
module.set_version(&config);
|
|
module.is_dirty = true;
|
|
} else {
|
|
return Err(GraphError::MissingSpecifier(specifier.clone()).into());
|
|
}
|
|
}
|
|
}
|
|
graph.flush()?;
|
|
|
|
Ok((response.stats, response.diagnostics, maybe_ignored_options))
|
|
}
|
|
|
|
fn contains_module(&self, specifier: &ModuleSpecifier) -> bool {
|
|
let s = self.resolve_specifier(specifier);
|
|
self.modules.contains_key(s)
|
|
}
|
|
|
|
/// Update the handler with any modules that are marked as _dirty_ and update
|
|
/// any build info if present.
|
|
fn flush(&mut self) -> Result<(), AnyError> {
|
|
let mut handler = self.handler.borrow_mut();
|
|
for (_, module) in self.modules.iter_mut() {
|
|
if module.is_dirty {
|
|
if let Some(emit) = &module.maybe_emit {
|
|
handler.set_cache(&module.specifier, emit)?;
|
|
}
|
|
if let Some(version) = &module.maybe_version {
|
|
handler.set_version(&module.specifier, version.clone())?;
|
|
}
|
|
module.is_dirty = false;
|
|
}
|
|
}
|
|
for root_specifier in self.roots.iter() {
|
|
if let Some(tsbuildinfo) = &self.maybe_tsbuildinfo {
|
|
handler.set_tsbuildinfo(root_specifier, tsbuildinfo.to_owned())?;
|
|
}
|
|
}
|
|
|
|
Ok(())
|
|
}
|
|
|
|
fn get_info(
|
|
&self,
|
|
specifier: &ModuleSpecifier,
|
|
seen: &mut HashSet<ModuleSpecifier>,
|
|
totals: &mut HashMap<ModuleSpecifier, usize>,
|
|
) -> ModuleInfo {
|
|
let not_seen = seen.insert(specifier.clone());
|
|
let module = self.get_module(specifier).unwrap();
|
|
let mut deps = Vec::new();
|
|
let mut total_size = None;
|
|
|
|
if not_seen {
|
|
let mut seen_deps = HashSet::new();
|
|
// TODO(@kitsonk) https://github.com/denoland/deno/issues/7927
|
|
for (_, dep) in module.dependencies.iter() {
|
|
// Check the runtime code dependency
|
|
if let Some(code_dep) = &dep.maybe_code {
|
|
if seen_deps.insert(code_dep.clone()) {
|
|
deps.push(self.get_info(code_dep, seen, totals));
|
|
}
|
|
}
|
|
}
|
|
deps.sort();
|
|
total_size = if let Some(total) = totals.get(specifier) {
|
|
Some(total.to_owned())
|
|
} else {
|
|
let mut total = deps
|
|
.iter()
|
|
.map(|d| {
|
|
if let Some(total_size) = d.total_size {
|
|
total_size
|
|
} else {
|
|
0
|
|
}
|
|
})
|
|
.sum();
|
|
total += module.size();
|
|
totals.insert(specifier.clone(), total);
|
|
Some(total)
|
|
};
|
|
}
|
|
|
|
ModuleInfo {
|
|
deps,
|
|
name: specifier.clone(),
|
|
size: module.size(),
|
|
total_size,
|
|
}
|
|
}
|
|
|
|
fn get_info_map(&self) -> ModuleInfoMap {
|
|
let map = self
|
|
.modules
|
|
.iter()
|
|
.map(|(specifier, module)| {
|
|
let mut deps = HashSet::new();
|
|
for (_, dep) in module.dependencies.iter() {
|
|
if let Some(code_dep) = &dep.maybe_code {
|
|
deps.insert(code_dep.clone());
|
|
}
|
|
if let Some(type_dep) = &dep.maybe_type {
|
|
deps.insert(type_dep.clone());
|
|
}
|
|
}
|
|
if let Some((_, types_dep)) = &module.maybe_types {
|
|
deps.insert(types_dep.clone());
|
|
}
|
|
let item = ModuleInfoMapItem {
|
|
deps: deps.into_iter().collect(),
|
|
size: module.size(),
|
|
};
|
|
(specifier.clone(), item)
|
|
})
|
|
.collect();
|
|
|
|
ModuleInfoMap::new(map)
|
|
}
|
|
|
|
pub fn get_media_type(
|
|
&self,
|
|
specifier: &ModuleSpecifier,
|
|
) -> Option<MediaType> {
|
|
if let Some(module) = self.get_module(specifier) {
|
|
Some(module.media_type)
|
|
} else {
|
|
None
|
|
}
|
|
}
|
|
|
|
fn get_module(&self, specifier: &ModuleSpecifier) -> Option<&Module> {
|
|
let s = self.resolve_specifier(specifier);
|
|
self.modules.get(s)
|
|
}
|
|
|
|
/// Consume graph and return list of all module specifiers
|
|
/// contained in the graph.
|
|
pub fn get_modules(&self) -> Vec<ModuleSpecifier> {
|
|
self.modules.keys().map(|s| s.to_owned()).collect()
|
|
}
|
|
|
|
/// Get the source for a given module specifier. If the module is not part
|
|
/// of the graph, the result will be `None`.
|
|
pub fn get_source(&self, specifier: &ModuleSpecifier) -> Option<String> {
|
|
if let Some(module) = self.get_module(specifier) {
|
|
Some(module.source.clone())
|
|
} else {
|
|
None
|
|
}
|
|
}
|
|
|
|
fn get_module_mut(
|
|
&mut self,
|
|
specifier: &ModuleSpecifier,
|
|
) -> Option<&mut Module> {
|
|
// this is duplicated code because `.resolve_specifier` requires an
|
|
// immutable borrow, but if `.resolve_specifier` is mut, then everything
|
|
// that calls it is is mut
|
|
let mut s = specifier;
|
|
while let Some(redirect) = self.redirects.get(s) {
|
|
s = redirect;
|
|
}
|
|
self.modules.get_mut(s)
|
|
}
|
|
|
|
/// Return a structure which provides information about the module graph and
|
|
/// the relationship of the modules in the graph. This structure is used to
|
|
/// provide information for the `info` subcommand.
|
|
pub fn info(&self) -> Result<ModuleGraphInfo, AnyError> {
|
|
if self.roots.is_empty() || self.roots.len() > 1 {
|
|
return Err(GraphError::NotSupported(format!("Info is only supported when there is a single root module in the graph. Found: {}", self.roots.len())).into());
|
|
}
|
|
|
|
let module = self.roots[0].clone();
|
|
let m = self.get_module(&module).unwrap();
|
|
|
|
let mut seen = HashSet::new();
|
|
let mut totals = HashMap::new();
|
|
let info = self.get_info(&module, &mut seen, &mut totals);
|
|
|
|
let files = self.get_info_map();
|
|
let total_size = totals.get(&module).unwrap_or(&m.size()).to_owned();
|
|
let (compiled, map) =
|
|
if let Some((emit_path, maybe_map_path)) = &m.maybe_emit_path {
|
|
(Some(emit_path.clone()), maybe_map_path.clone())
|
|
} else {
|
|
(None, None)
|
|
};
|
|
|
|
Ok(ModuleGraphInfo {
|
|
compiled,
|
|
dep_count: self.modules.len() - 1,
|
|
file_type: m.media_type,
|
|
files,
|
|
info,
|
|
local: m.source_path.clone(),
|
|
map,
|
|
module,
|
|
total_size,
|
|
})
|
|
}
|
|
|
|
/// Determines if all of the modules in the graph that require an emit have
|
|
/// a valid emit. Returns `true` if all the modules have a valid emit,
|
|
/// otherwise false.
|
|
fn is_emit_valid(&self, config: &TsConfig) -> bool {
|
|
let check_js = config.get_check_js();
|
|
let config = config.as_bytes();
|
|
self.modules.iter().all(|(_, m)| {
|
|
let needs_emit = match m.media_type {
|
|
MediaType::TypeScript | MediaType::TSX | MediaType::JSX => true,
|
|
MediaType::JavaScript => check_js,
|
|
_ => false,
|
|
};
|
|
if needs_emit {
|
|
m.is_emit_valid(&config)
|
|
} else {
|
|
true
|
|
}
|
|
})
|
|
}
|
|
|
|
/// Verify the subresource integrity of the graph based upon the optional
|
|
/// lockfile, updating the lockfile with any missing resources. This will
|
|
/// error if any of the resources do not match their lock status.
|
|
pub fn lock(&self) {
|
|
if let Some(lf) = self.maybe_lockfile.as_ref() {
|
|
let mut lockfile = lf.lock().unwrap();
|
|
for (ms, module) in self.modules.iter() {
|
|
let specifier = module.specifier.to_string();
|
|
let valid = lockfile.check_or_insert(&specifier, &module.source);
|
|
if !valid {
|
|
eprintln!(
|
|
"{}",
|
|
GraphError::InvalidSource(ms.clone(), lockfile.filename.clone())
|
|
);
|
|
std::process::exit(10);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/// Determines if any of the modules in the graph are required to be emitted.
|
|
/// This is similar to `emit_valid()` except that the actual emit isn't
|
|
/// checked to determine if it is valid.
|
|
fn needs_emit(&self, config: &TsConfig) -> bool {
|
|
let check_js = config.get_check_js();
|
|
self.modules.iter().any(|(_, m)| match m.media_type {
|
|
MediaType::TypeScript | MediaType::TSX | MediaType::JSX => true,
|
|
MediaType::JavaScript => check_js,
|
|
_ => false,
|
|
})
|
|
}
|
|
|
|
/// Given a string specifier and a referring module specifier, provide the
|
|
/// resulting module specifier and media type for the module that is part of
|
|
/// the graph.
|
|
///
|
|
/// # Arguments
|
|
///
|
|
/// * `specifier` - The string form of the module specifier that needs to be
|
|
/// resolved.
|
|
/// * `referrer` - The referring `ModuleSpecifier`.
|
|
/// * `prefer_types` - When resolving to a module specifier, determine if a
|
|
/// type dependency is preferred over a code dependency. This is set to
|
|
/// `true` when resolving module names for `tsc` as it needs the type
|
|
/// dependency over the code, while other consumers do not handle type only
|
|
/// dependencies.
|
|
pub fn resolve(
|
|
&self,
|
|
specifier: &str,
|
|
referrer: &ModuleSpecifier,
|
|
prefer_types: bool,
|
|
) -> Result<ModuleSpecifier, AnyError> {
|
|
if !self.contains_module(referrer) {
|
|
return Err(GraphError::MissingSpecifier(referrer.to_owned()).into());
|
|
}
|
|
let module = self.get_module(referrer).unwrap();
|
|
if !module.dependencies.contains_key(specifier) {
|
|
return Err(
|
|
GraphError::MissingDependency(
|
|
referrer.to_owned(),
|
|
specifier.to_owned(),
|
|
)
|
|
.into(),
|
|
);
|
|
}
|
|
let dependency = module.dependencies.get(specifier).unwrap();
|
|
// If there is a @deno-types pragma that impacts the dependency, then the
|
|
// maybe_type property will be set with that specifier, otherwise we use the
|
|
// specifier that point to the runtime code.
|
|
let resolved_specifier = if prefer_types && dependency.maybe_type.is_some()
|
|
{
|
|
dependency.maybe_type.clone().unwrap()
|
|
} else if let Some(code_specifier) = dependency.maybe_code.clone() {
|
|
code_specifier
|
|
} else {
|
|
return Err(
|
|
GraphError::MissingDependency(
|
|
referrer.to_owned(),
|
|
specifier.to_owned(),
|
|
)
|
|
.into(),
|
|
);
|
|
};
|
|
if !self.contains_module(&resolved_specifier) {
|
|
return Err(
|
|
GraphError::MissingDependency(
|
|
referrer.to_owned(),
|
|
resolved_specifier.to_string(),
|
|
)
|
|
.into(),
|
|
);
|
|
}
|
|
let dep_module = self.get_module(&resolved_specifier).unwrap();
|
|
// In the case that there is a X-TypeScript-Types or a triple-slash types,
|
|
// then the `maybe_types` specifier will be populated and we should use that
|
|
// instead.
|
|
let result = if prefer_types && dep_module.maybe_types.is_some() {
|
|
let (_, types) = dep_module.maybe_types.clone().unwrap();
|
|
types
|
|
} else {
|
|
resolved_specifier
|
|
};
|
|
|
|
Ok(result)
|
|
}
|
|
|
|
/// Takes a module specifier and returns the "final" specifier, accounting for
|
|
/// any redirects that may have occurred.
|
|
fn resolve_specifier<'a>(
|
|
&'a self,
|
|
specifier: &'a ModuleSpecifier,
|
|
) -> &'a ModuleSpecifier {
|
|
let mut s = specifier;
|
|
let mut seen = HashSet::new();
|
|
seen.insert(s.clone());
|
|
while let Some(redirect) = self.redirects.get(s) {
|
|
if !seen.insert(redirect.clone()) {
|
|
eprintln!("An infinite loop of module redirections detected.\n Original specifier: {}", specifier);
|
|
break;
|
|
}
|
|
s = redirect;
|
|
if seen.len() > 5 {
|
|
eprintln!("An excessive number of module redirections detected.\n Original specifier: {}", specifier);
|
|
break;
|
|
}
|
|
}
|
|
s
|
|
}
|
|
|
|
/// Transpile (only transform) the graph, updating any emitted modules
|
|
/// with the specifier handler. The result contains any performance stats
|
|
/// from the compiler and optionally any user provided configuration compiler
|
|
/// options that were ignored.
|
|
///
|
|
/// # Arguments
|
|
///
|
|
/// * `options` - A structure of options which impact how the code is
|
|
/// transpiled.
|
|
///
|
|
pub fn transpile(
|
|
&mut self,
|
|
options: TranspileOptions,
|
|
) -> Result<(Stats, Option<IgnoredCompilerOptions>), AnyError> {
|
|
let start = Instant::now();
|
|
|
|
let mut ts_config = TsConfig::new(json!({
|
|
"checkJs": false,
|
|
"emitDecoratorMetadata": false,
|
|
"inlineSourceMap": true,
|
|
"jsx": "react",
|
|
"jsxFactory": "React.createElement",
|
|
"jsxFragmentFactory": "React.Fragment",
|
|
}));
|
|
|
|
let maybe_ignored_options =
|
|
ts_config.merge_tsconfig(options.maybe_config_path)?;
|
|
|
|
let emit_options: EmitOptions = ts_config.clone().into();
|
|
|
|
let mut emit_count: u128 = 0;
|
|
let config = ts_config.as_bytes();
|
|
for (_, module) in self.modules.iter_mut() {
|
|
// TODO(kitsonk) a lot of this logic should be refactored into `Module` as
|
|
// we start to support other methods on the graph. Especially managing
|
|
// the dirty state is something the module itself should "own".
|
|
|
|
// if the module is a Dts file we should skip it
|
|
if module.media_type == MediaType::Dts {
|
|
continue;
|
|
}
|
|
// if we don't have check_js enabled, we won't touch non TypeScript
|
|
// modules
|
|
if !(emit_options.check_js
|
|
|| module.media_type == MediaType::TSX
|
|
|| module.media_type == MediaType::TypeScript)
|
|
{
|
|
continue;
|
|
}
|
|
// skip modules that already have a valid emit
|
|
if !options.reload && module.is_emit_valid(&config) {
|
|
continue;
|
|
}
|
|
if module.maybe_parsed_module.is_none() {
|
|
module.parse()?;
|
|
}
|
|
let parsed_module = module.maybe_parsed_module.clone().unwrap();
|
|
let emit = parsed_module.transpile(&emit_options)?;
|
|
emit_count += 1;
|
|
module.maybe_emit = Some(Emit::Cli(emit));
|
|
module.set_version(&config);
|
|
module.is_dirty = true;
|
|
}
|
|
self.flush()?;
|
|
|
|
let stats = Stats(vec![
|
|
("Files".to_string(), self.modules.len() as u128),
|
|
("Emitted".to_string(), emit_count),
|
|
("Total time".to_string(), start.elapsed().as_millis()),
|
|
]);
|
|
|
|
Ok((stats, maybe_ignored_options))
|
|
}
|
|
}
|
|
|
|
impl swc_bundler::Resolve for Graph2 {
|
|
fn resolve(
|
|
&self,
|
|
referrer: &swc_common::FileName,
|
|
specifier: &str,
|
|
) -> Result<swc_common::FileName, AnyError> {
|
|
let referrer = if let swc_common::FileName::Custom(referrer) = referrer {
|
|
ModuleSpecifier::resolve_url_or_path(referrer)
|
|
.context("Cannot resolve swc FileName to a module specifier")?
|
|
} else {
|
|
unreachable!(
|
|
"An unexpected referrer was passed when bundling: {:?}",
|
|
referrer
|
|
)
|
|
};
|
|
let specifier = self.resolve(specifier, &referrer, false)?;
|
|
|
|
Ok(swc_common::FileName::Custom(specifier.to_string()))
|
|
}
|
|
}
|
|
|
|
/// A structure for building a dependency graph of modules.
|
|
pub struct GraphBuilder2 {
|
|
fetched: HashSet<ModuleSpecifier>,
|
|
graph: Graph2,
|
|
maybe_import_map: Option<Rc<RefCell<ImportMap>>>,
|
|
pending: FuturesUnordered<FetchFuture>,
|
|
}
|
|
|
|
impl GraphBuilder2 {
|
|
pub fn new(
|
|
handler: Rc<RefCell<dyn SpecifierHandler>>,
|
|
maybe_import_map: Option<ImportMap>,
|
|
maybe_lockfile: Option<Arc<Mutex<Lockfile>>>,
|
|
) -> Self {
|
|
let internal_import_map = if let Some(import_map) = maybe_import_map {
|
|
Some(Rc::new(RefCell::new(import_map)))
|
|
} else {
|
|
None
|
|
};
|
|
GraphBuilder2 {
|
|
graph: Graph2::new(handler, maybe_lockfile),
|
|
fetched: HashSet::new(),
|
|
maybe_import_map: internal_import_map,
|
|
pending: FuturesUnordered::new(),
|
|
}
|
|
}
|
|
|
|
/// Add a module into the graph based on a module specifier. The module
|
|
/// and any dependencies will be fetched from the handler. The module will
|
|
/// also be treated as a _root_ module in the graph.
|
|
pub async fn add(
|
|
&mut self,
|
|
specifier: &ModuleSpecifier,
|
|
is_dynamic: bool,
|
|
) -> Result<(), AnyError> {
|
|
self.fetch(specifier, &None, is_dynamic)?;
|
|
|
|
loop {
|
|
let cached_module = self.pending.next().await.unwrap()?;
|
|
let is_root = &cached_module.specifier == specifier;
|
|
self.visit(cached_module, is_root)?;
|
|
if self.pending.is_empty() {
|
|
break;
|
|
}
|
|
}
|
|
|
|
if !self.graph.roots.contains(specifier) {
|
|
self.graph.roots.push(specifier.clone());
|
|
self.graph.roots_dynamic = self.graph.roots_dynamic && is_dynamic;
|
|
if self.graph.maybe_tsbuildinfo.is_none() {
|
|
let handler = self.graph.handler.borrow();
|
|
self.graph.maybe_tsbuildinfo = handler.get_tsbuildinfo(specifier)?;
|
|
}
|
|
}
|
|
|
|
Ok(())
|
|
}
|
|
|
|
/// Request a module to be fetched from the handler and queue up its future
|
|
/// to be awaited to be resolved.
|
|
fn fetch(
|
|
&mut self,
|
|
specifier: &ModuleSpecifier,
|
|
maybe_referrer: &Option<Location>,
|
|
is_dynamic: bool,
|
|
) -> Result<(), AnyError> {
|
|
if self.fetched.contains(&specifier) {
|
|
return Ok(());
|
|
}
|
|
|
|
self.fetched.insert(specifier.clone());
|
|
let future = self.graph.handler.borrow_mut().fetch(
|
|
specifier.clone(),
|
|
maybe_referrer.clone(),
|
|
is_dynamic,
|
|
);
|
|
self.pending.push(future);
|
|
|
|
Ok(())
|
|
}
|
|
|
|
/// Visit a module that has been fetched, hydrating the module, analyzing its
|
|
/// dependencies if required, fetching those dependencies, and inserting the
|
|
/// module into the graph.
|
|
fn visit(
|
|
&mut self,
|
|
cached_module: CachedModule,
|
|
is_root: bool,
|
|
) -> Result<(), AnyError> {
|
|
let specifier = cached_module.specifier.clone();
|
|
let requested_specifier = cached_module.requested_specifier.clone();
|
|
let mut module =
|
|
Module::new(cached_module, is_root, self.maybe_import_map.clone());
|
|
match module.media_type {
|
|
MediaType::Json
|
|
| MediaType::SourceMap
|
|
| MediaType::TsBuildInfo
|
|
| MediaType::Unknown => {
|
|
return Err(
|
|
GraphError::UnsupportedImportType(
|
|
module.specifier,
|
|
module.media_type,
|
|
)
|
|
.into(),
|
|
);
|
|
}
|
|
_ => (),
|
|
}
|
|
if !module.is_parsed {
|
|
let has_types = module.maybe_types.is_some();
|
|
module.parse()?;
|
|
if self.maybe_import_map.is_none() {
|
|
let mut handler = self.graph.handler.borrow_mut();
|
|
handler.set_deps(&specifier, module.dependencies.clone())?;
|
|
if !has_types {
|
|
if let Some((types, _)) = module.maybe_types.clone() {
|
|
handler.set_types(&specifier, types)?;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
for (_, dep) in module.dependencies.iter() {
|
|
let maybe_referrer = Some(dep.location.clone());
|
|
if let Some(specifier) = dep.maybe_code.as_ref() {
|
|
self.fetch(specifier, &maybe_referrer, dep.is_dynamic)?;
|
|
}
|
|
if let Some(specifier) = dep.maybe_type.as_ref() {
|
|
self.fetch(specifier, &maybe_referrer, dep.is_dynamic)?;
|
|
}
|
|
}
|
|
if let Some((_, specifier)) = module.maybe_types.as_ref() {
|
|
self.fetch(specifier, &None, false)?;
|
|
}
|
|
if specifier != requested_specifier {
|
|
self
|
|
.graph
|
|
.redirects
|
|
.insert(requested_specifier, specifier.clone());
|
|
}
|
|
self.graph.modules.insert(specifier, module);
|
|
|
|
Ok(())
|
|
}
|
|
|
|
/// Move out the graph from the builder to be utilized further. An optional
|
|
/// lockfile can be provided, where if the sources in the graph do not match
|
|
/// the expected lockfile, an error will be logged and the process will exit.
|
|
pub fn get_graph(self) -> Graph2 {
|
|
self.graph.lock();
|
|
self.graph
|
|
}
|
|
}
|
|
|
|
#[cfg(test)]
|
|
pub mod tests {
|
|
use super::*;
|
|
|
|
use deno_core::futures::future;
|
|
use std::env;
|
|
use std::fs;
|
|
use std::path::PathBuf;
|
|
use std::sync::Mutex;
|
|
|
|
/// This is a testing mock for `SpecifierHandler` that uses a special file
|
|
/// system renaming to mock local and remote modules as well as provides
|
|
/// "spies" for the critical methods for testing purposes.
|
|
#[derive(Debug, Default)]
|
|
pub struct MockSpecifierHandler {
|
|
pub fixtures: PathBuf,
|
|
pub maybe_tsbuildinfo: Option<String>,
|
|
pub tsbuildinfo_calls: Vec<(ModuleSpecifier, String)>,
|
|
pub cache_calls: Vec<(ModuleSpecifier, Emit)>,
|
|
pub deps_calls: Vec<(ModuleSpecifier, DependencyMap)>,
|
|
pub types_calls: Vec<(ModuleSpecifier, String)>,
|
|
pub version_calls: Vec<(ModuleSpecifier, String)>,
|
|
}
|
|
|
|
impl MockSpecifierHandler {
|
|
fn get_cache(
|
|
&self,
|
|
specifier: ModuleSpecifier,
|
|
) -> Result<CachedModule, AnyError> {
|
|
let specifier_text = specifier
|
|
.to_string()
|
|
.replace(":///", "_")
|
|
.replace("://", "_")
|
|
.replace("/", "-");
|
|
let source_path = self.fixtures.join(specifier_text);
|
|
let media_type = match source_path.extension().unwrap().to_str().unwrap()
|
|
{
|
|
"ts" => {
|
|
if source_path.to_string_lossy().ends_with(".d.ts") {
|
|
MediaType::Dts
|
|
} else {
|
|
MediaType::TypeScript
|
|
}
|
|
}
|
|
"tsx" => MediaType::TSX,
|
|
"js" => MediaType::JavaScript,
|
|
"jsx" => MediaType::JSX,
|
|
_ => MediaType::Unknown,
|
|
};
|
|
let source = fs::read_to_string(&source_path)?;
|
|
let is_remote = specifier.as_url().scheme() != "file";
|
|
|
|
Ok(CachedModule {
|
|
source,
|
|
requested_specifier: specifier.clone(),
|
|
source_path,
|
|
specifier,
|
|
media_type,
|
|
is_remote,
|
|
..CachedModule::default()
|
|
})
|
|
}
|
|
}
|
|
|
|
impl SpecifierHandler for MockSpecifierHandler {
|
|
fn fetch(
|
|
&mut self,
|
|
specifier: ModuleSpecifier,
|
|
_maybe_referrer: Option<Location>,
|
|
_is_dynamic: bool,
|
|
) -> FetchFuture {
|
|
Box::pin(future::ready(self.get_cache(specifier)))
|
|
}
|
|
fn get_tsbuildinfo(
|
|
&self,
|
|
_specifier: &ModuleSpecifier,
|
|
) -> Result<Option<String>, AnyError> {
|
|
Ok(self.maybe_tsbuildinfo.clone())
|
|
}
|
|
fn set_cache(
|
|
&mut self,
|
|
specifier: &ModuleSpecifier,
|
|
emit: &Emit,
|
|
) -> Result<(), AnyError> {
|
|
self.cache_calls.push((specifier.clone(), emit.clone()));
|
|
Ok(())
|
|
}
|
|
fn set_types(
|
|
&mut self,
|
|
specifier: &ModuleSpecifier,
|
|
types: String,
|
|
) -> Result<(), AnyError> {
|
|
self.types_calls.push((specifier.clone(), types));
|
|
Ok(())
|
|
}
|
|
fn set_tsbuildinfo(
|
|
&mut self,
|
|
specifier: &ModuleSpecifier,
|
|
tsbuildinfo: String,
|
|
) -> Result<(), AnyError> {
|
|
self.maybe_tsbuildinfo = Some(tsbuildinfo.clone());
|
|
self
|
|
.tsbuildinfo_calls
|
|
.push((specifier.clone(), tsbuildinfo));
|
|
Ok(())
|
|
}
|
|
fn set_deps(
|
|
&mut self,
|
|
specifier: &ModuleSpecifier,
|
|
dependencies: DependencyMap,
|
|
) -> Result<(), AnyError> {
|
|
self.deps_calls.push((specifier.clone(), dependencies));
|
|
Ok(())
|
|
}
|
|
fn set_version(
|
|
&mut self,
|
|
specifier: &ModuleSpecifier,
|
|
version: String,
|
|
) -> Result<(), AnyError> {
|
|
self.version_calls.push((specifier.clone(), version));
|
|
Ok(())
|
|
}
|
|
}
|
|
|
|
async fn setup(
|
|
specifier: ModuleSpecifier,
|
|
) -> (Graph2, Rc<RefCell<MockSpecifierHandler>>) {
|
|
let c = PathBuf::from(env::var_os("CARGO_MANIFEST_DIR").unwrap());
|
|
let fixtures = c.join("tests/module_graph");
|
|
let handler = Rc::new(RefCell::new(MockSpecifierHandler {
|
|
fixtures,
|
|
..MockSpecifierHandler::default()
|
|
}));
|
|
let mut builder = GraphBuilder2::new(handler.clone(), None, None);
|
|
builder
|
|
.add(&specifier, false)
|
|
.await
|
|
.expect("module not inserted");
|
|
|
|
(builder.get_graph(), handler)
|
|
}
|
|
|
|
#[test]
|
|
fn test_get_version() {
|
|
let doc_a = "console.log(42);";
|
|
let version_a = get_version(&doc_a, "1.2.3", b"");
|
|
let doc_b = "console.log(42);";
|
|
let version_b = get_version(&doc_b, "1.2.3", b"");
|
|
assert_eq!(version_a, version_b);
|
|
|
|
let version_c = get_version(&doc_a, "1.2.3", b"options");
|
|
assert_ne!(version_a, version_c);
|
|
|
|
let version_d = get_version(&doc_b, "1.2.3", b"options");
|
|
assert_eq!(version_c, version_d);
|
|
|
|
let version_e = get_version(&doc_a, "1.2.4", b"");
|
|
assert_ne!(version_a, version_e);
|
|
|
|
let version_f = get_version(&doc_b, "1.2.4", b"");
|
|
assert_eq!(version_e, version_f);
|
|
}
|
|
|
|
#[test]
|
|
fn test_module_emit_valid() {
|
|
let source = "console.log(42);".to_string();
|
|
let maybe_version = Some(get_version(&source, version::DENO, b""));
|
|
let module = Module {
|
|
source,
|
|
maybe_version,
|
|
..Module::default()
|
|
};
|
|
assert!(module.is_emit_valid(b""));
|
|
|
|
let source = "console.log(42);".to_string();
|
|
let old_source = "console.log(43);";
|
|
let maybe_version = Some(get_version(old_source, version::DENO, b""));
|
|
let module = Module {
|
|
source,
|
|
maybe_version,
|
|
..Module::default()
|
|
};
|
|
assert!(!module.is_emit_valid(b""));
|
|
|
|
let source = "console.log(42);".to_string();
|
|
let maybe_version = Some(get_version(&source, "0.0.0", b""));
|
|
let module = Module {
|
|
source,
|
|
maybe_version,
|
|
..Module::default()
|
|
};
|
|
assert!(!module.is_emit_valid(b""));
|
|
|
|
let source = "console.log(42);".to_string();
|
|
let module = Module {
|
|
source,
|
|
..Module::default()
|
|
};
|
|
assert!(!module.is_emit_valid(b""));
|
|
}
|
|
|
|
#[test]
|
|
fn test_module_set_version() {
|
|
let source = "console.log(42);".to_string();
|
|
let expected = Some(get_version(&source, version::DENO, b""));
|
|
let mut module = Module {
|
|
source,
|
|
..Module::default()
|
|
};
|
|
assert!(module.maybe_version.is_none());
|
|
module.set_version(b"");
|
|
assert_eq!(module.maybe_version, expected);
|
|
}
|
|
|
|
#[tokio::test]
|
|
async fn test_graph_bundle() {
|
|
let tests = vec![
|
|
("file:///tests/fixture01.ts", "fixture01.out"),
|
|
("file:///tests/fixture02.ts", "fixture02.out"),
|
|
("file:///tests/fixture03.ts", "fixture03.out"),
|
|
("file:///tests/fixture04.ts", "fixture04.out"),
|
|
("file:///tests/fixture05.ts", "fixture05.out"),
|
|
("file:///tests/fixture06.ts", "fixture06.out"),
|
|
("file:///tests/fixture07.ts", "fixture07.out"),
|
|
("file:///tests/fixture08.ts", "fixture08.out"),
|
|
("file:///tests/fixture09.ts", "fixture09.out"),
|
|
("file:///tests/fixture10.ts", "fixture10.out"),
|
|
("file:///tests/fixture11.ts", "fixture11.out"),
|
|
("file:///tests/fixture12.ts", "fixture12.out"),
|
|
("file:///tests/fixture13.ts", "fixture13.out"),
|
|
("file:///tests/fixture14.ts", "fixture14.out"),
|
|
];
|
|
let c = PathBuf::from(env::var_os("CARGO_MANIFEST_DIR").unwrap());
|
|
let fixtures = c.join("tests/bundle");
|
|
|
|
for (specifier, expected_str) in tests {
|
|
let specifier = ModuleSpecifier::resolve_url_or_path(specifier).unwrap();
|
|
let handler = Rc::new(RefCell::new(MockSpecifierHandler {
|
|
fixtures: fixtures.clone(),
|
|
..MockSpecifierHandler::default()
|
|
}));
|
|
let mut builder = GraphBuilder2::new(handler.clone(), None, None);
|
|
builder
|
|
.add(&specifier, false)
|
|
.await
|
|
.expect("module not inserted");
|
|
let graph = builder.get_graph();
|
|
let (actual, stats, maybe_ignored_options) = graph
|
|
.bundle(BundleOptions::default())
|
|
.expect("could not bundle");
|
|
assert_eq!(stats.0.len(), 2);
|
|
assert_eq!(maybe_ignored_options, None);
|
|
let expected_path = fixtures.join(expected_str);
|
|
let expected = fs::read_to_string(expected_path).unwrap();
|
|
assert_eq!(actual, expected, "fixture: {}", specifier);
|
|
}
|
|
}
|
|
|
|
#[tokio::test]
|
|
async fn test_graph_check_emit() {
|
|
let specifier =
|
|
ModuleSpecifier::resolve_url_or_path("file:///tests/main.ts")
|
|
.expect("could not resolve module");
|
|
let (graph, handler) = setup(specifier).await;
|
|
let (stats, diagnostics, maybe_ignored_options) = graph
|
|
.check(CheckOptions {
|
|
debug: false,
|
|
emit: true,
|
|
lib: TypeLib::DenoWindow,
|
|
maybe_config_path: None,
|
|
reload: false,
|
|
})
|
|
.expect("should have checked");
|
|
assert!(maybe_ignored_options.is_none());
|
|
assert_eq!(stats.0.len(), 12);
|
|
assert!(diagnostics.0.is_empty());
|
|
let h = handler.borrow();
|
|
assert_eq!(h.cache_calls.len(), 2);
|
|
assert_eq!(h.tsbuildinfo_calls.len(), 1);
|
|
}
|
|
|
|
#[tokio::test]
|
|
async fn test_graph_check_no_emit() {
|
|
let specifier =
|
|
ModuleSpecifier::resolve_url_or_path("file:///tests/main.ts")
|
|
.expect("could not resolve module");
|
|
let (graph, handler) = setup(specifier).await;
|
|
let (stats, diagnostics, maybe_ignored_options) = graph
|
|
.check(CheckOptions {
|
|
debug: false,
|
|
emit: false,
|
|
lib: TypeLib::DenoWindow,
|
|
maybe_config_path: None,
|
|
reload: false,
|
|
})
|
|
.expect("should have checked");
|
|
assert!(maybe_ignored_options.is_none());
|
|
assert_eq!(stats.0.len(), 12);
|
|
assert!(diagnostics.0.is_empty());
|
|
let h = handler.borrow();
|
|
assert_eq!(h.cache_calls.len(), 0);
|
|
assert_eq!(h.tsbuildinfo_calls.len(), 1);
|
|
}
|
|
|
|
#[tokio::test]
|
|
async fn test_graph_info() {
|
|
let specifier =
|
|
ModuleSpecifier::resolve_url_or_path("file:///tests/main.ts")
|
|
.expect("could not resolve module");
|
|
let (graph, _) = setup(specifier).await;
|
|
let info = graph.info().expect("could not get info");
|
|
assert!(info.compiled.is_none());
|
|
assert_eq!(info.dep_count, 6);
|
|
assert_eq!(info.file_type, MediaType::TypeScript);
|
|
assert_eq!(info.files.0.len(), 7);
|
|
assert!(info.local.to_string_lossy().ends_with("file_tests-main.ts"));
|
|
assert!(info.map.is_none());
|
|
assert_eq!(
|
|
info.module,
|
|
ModuleSpecifier::resolve_url_or_path("file:///tests/main.ts").unwrap()
|
|
);
|
|
assert_eq!(info.total_size, 344);
|
|
}
|
|
|
|
#[tokio::test]
|
|
async fn test_graph_import_json() {
|
|
let specifier =
|
|
ModuleSpecifier::resolve_url_or_path("file:///tests/importjson.ts")
|
|
.expect("could not resolve module");
|
|
let c = PathBuf::from(env::var_os("CARGO_MANIFEST_DIR").unwrap());
|
|
let fixtures = c.join("tests/module_graph");
|
|
let handler = Rc::new(RefCell::new(MockSpecifierHandler {
|
|
fixtures,
|
|
..MockSpecifierHandler::default()
|
|
}));
|
|
let mut builder = GraphBuilder2::new(handler.clone(), None, None);
|
|
builder
|
|
.add(&specifier, false)
|
|
.await
|
|
.expect_err("should have errored");
|
|
}
|
|
|
|
#[tokio::test]
|
|
async fn test_graph_transpile() {
|
|
// This is a complex scenario of transpiling, where we have TypeScript
|
|
// importing a JavaScript file (with type definitions) which imports
|
|
// TypeScript, JavaScript, and JavaScript with type definitions.
|
|
// For scenarios where we transpile, we only want the TypeScript files
|
|
// to be actually emitted.
|
|
//
|
|
// This also exercises "@deno-types" and type references.
|
|
let specifier =
|
|
ModuleSpecifier::resolve_url_or_path("file:///tests/main.ts")
|
|
.expect("could not resolve module");
|
|
let (mut graph, handler) = setup(specifier).await;
|
|
let (stats, maybe_ignored_options) =
|
|
graph.transpile(TranspileOptions::default()).unwrap();
|
|
assert_eq!(stats.0.len(), 3);
|
|
assert_eq!(maybe_ignored_options, None);
|
|
let h = handler.borrow();
|
|
assert_eq!(h.cache_calls.len(), 2);
|
|
match &h.cache_calls[0].1 {
|
|
Emit::Cli((code, maybe_map)) => {
|
|
assert!(
|
|
code.contains("# sourceMappingURL=data:application/json;base64,")
|
|
);
|
|
assert!(maybe_map.is_none());
|
|
}
|
|
};
|
|
match &h.cache_calls[1].1 {
|
|
Emit::Cli((code, maybe_map)) => {
|
|
assert!(
|
|
code.contains("# sourceMappingURL=data:application/json;base64,")
|
|
);
|
|
assert!(maybe_map.is_none());
|
|
}
|
|
};
|
|
assert_eq!(h.deps_calls.len(), 7);
|
|
assert_eq!(
|
|
h.deps_calls[0].0,
|
|
ModuleSpecifier::resolve_url_or_path("file:///tests/main.ts").unwrap()
|
|
);
|
|
assert_eq!(h.deps_calls[0].1.len(), 1);
|
|
assert_eq!(
|
|
h.deps_calls[1].0,
|
|
ModuleSpecifier::resolve_url_or_path("https://deno.land/x/lib/mod.js")
|
|
.unwrap()
|
|
);
|
|
assert_eq!(h.deps_calls[1].1.len(), 3);
|
|
assert_eq!(
|
|
h.deps_calls[2].0,
|
|
ModuleSpecifier::resolve_url_or_path("https://deno.land/x/lib/mod.d.ts")
|
|
.unwrap()
|
|
);
|
|
assert_eq!(h.deps_calls[2].1.len(), 3, "should have 3 dependencies");
|
|
// sometimes the calls are not deterministic, and so checking the contents
|
|
// can cause some failures
|
|
assert_eq!(h.deps_calls[3].1.len(), 0, "should have no dependencies");
|
|
assert_eq!(h.deps_calls[4].1.len(), 0, "should have no dependencies");
|
|
assert_eq!(h.deps_calls[5].1.len(), 0, "should have no dependencies");
|
|
assert_eq!(h.deps_calls[6].1.len(), 0, "should have no dependencies");
|
|
}
|
|
|
|
#[tokio::test]
|
|
async fn test_graph_transpile_user_config() {
|
|
let specifier =
|
|
ModuleSpecifier::resolve_url_or_path("https://deno.land/x/transpile.tsx")
|
|
.expect("could not resolve module");
|
|
let (mut graph, handler) = setup(specifier).await;
|
|
let (_, maybe_ignored_options) = graph
|
|
.transpile(TranspileOptions {
|
|
debug: false,
|
|
maybe_config_path: Some("tests/module_graph/tsconfig.json".to_string()),
|
|
reload: false,
|
|
})
|
|
.unwrap();
|
|
assert_eq!(
|
|
maybe_ignored_options.unwrap().items,
|
|
vec!["target".to_string()],
|
|
"the 'target' options should have been ignored"
|
|
);
|
|
let h = handler.borrow();
|
|
assert_eq!(h.cache_calls.len(), 1, "only one file should be emitted");
|
|
// FIXME(bartlomieju): had to add space in `<div>`, probably a quirk in swc_ecma_codegen
|
|
match &h.cache_calls[0].1 {
|
|
Emit::Cli((code, _)) => {
|
|
assert!(
|
|
code.contains("<div >Hello world!</div>"),
|
|
"jsx should have been preserved"
|
|
);
|
|
}
|
|
}
|
|
}
|
|
|
|
#[tokio::test]
|
|
async fn test_graph_with_lockfile() {
|
|
let c = PathBuf::from(env::var_os("CARGO_MANIFEST_DIR").unwrap());
|
|
let fixtures = c.join("tests/module_graph");
|
|
let lockfile_path = fixtures.join("lockfile.json");
|
|
let lockfile =
|
|
Lockfile::new(lockfile_path, false).expect("could not load lockfile");
|
|
let maybe_lockfile = Some(Arc::new(Mutex::new(lockfile)));
|
|
let handler = Rc::new(RefCell::new(MockSpecifierHandler {
|
|
fixtures,
|
|
..MockSpecifierHandler::default()
|
|
}));
|
|
let mut builder = GraphBuilder2::new(handler.clone(), None, maybe_lockfile);
|
|
let specifier =
|
|
ModuleSpecifier::resolve_url_or_path("file:///tests/main.ts")
|
|
.expect("could not resolve module");
|
|
builder
|
|
.add(&specifier, false)
|
|
.await
|
|
.expect("module not inserted");
|
|
builder.get_graph();
|
|
}
|
|
}
|